Home / 2,905.43-4,014.45-2,587.91

Finding the Fourth Proportional to 2,905.43, 4,014.45 and 2,587.91

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Solution

The fourth proportional to 2,905.43, 4,014.45 and 2,587.91 is: 3,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.43 : 4,014.45 = 2,587.91 : x
  2. Step 2: Convert to fraction form
    2,905.43/4,014.45 = 2,587.91/x
  3. Step 3: Cross multiply
    2,905.43x = 4,014.45 × 2,587.91
  4. Step 4: Simplify right side
    2,905.43x = 10,389,015.23
  5. Step 5: Solve for x
    x = 10,389,015.23/2,905.43
  6. Step 6: Final answer
    x = 3,575.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.